Cirrus Logic CS8422 - Manual (Page 3)

DS692F2 3
CS8422
TABLE OF CONTENTS
1. PIN DESCRIPTION ................................................................................................................................. 9
1.1 Software Mode ................................................................................................................................. 9
1.2 Hardware Mode ............................................................................................................................. 11
2. CHARACTERISTICS AND SPECIFICATIONS .................................................................................... 13
RECOMMENDED OPERATING CONDITIONS .................................................................................. 13
ABSOLUTE MAXIMUM RATINGS ...................................................................................................... 13
PERFORMANCE SPECIFICATIONS - SAMPLE RATE CONVERTER .............................................. 14
DIGITAL FILTER CHARACTERISTICS .............................................................................................. 14
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 15
DIGITAL INTERFACE SPECIFICATIONS ........................................................................................... 16
SWITCHING SPECIFICATIONS ......................................................................................................... 17
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE ................................................. 20
SWITCHING CHARACTERISTICS - CONTROL PORT - I²C MODE .................................................. 21
3. TYPICAL CONNECTION DIAGRAMS ................................................................................................. 22
3.1 Software Mode .............................................................................................................................. 22
3.2 Hardware Mode ............................................................................................................................ 23
4. OVERVIEW ........................................................................................................................................... 24
5. THREE-WIRE SERIAL INPUT/OUTPUT AUDIO PORT ...................................................................... 24
5.1 Serial Port Clock Operation ........................................................................................................... 25
5.1.1 Master Mode ......................................................................................................................... 25
5.1.2 Slave Mode ........................................................................................................................... 25
5.1.3 Hardware Mode Control ........................................................................................................ 25
5.1.4 Software Mode Control .......................................................................................................... 25
5.1.5 Time Division Multiplexing (TDM) Mode ................................................................................ 27
5.1.5.1 TDM Master Mode ..................................................................................................... 27
5.1.5.2 TDM Slave Mode ....................................................................................................... 27
5.1.5.3 Hardware Mode Control ............................................................................................. 27
5.1.5.4 Software Mode Control .............................................................................................. 27
6. DIGITAL INTERFACE RECEIVER ....................................................................................................... 29
6.1 AES3 and S/PDIF Standards ......................................................................................................... 29
6.2 Receiver Input Multiplexer ............................................................................................................. 29
6.2.1 Hardware Mode Control ........................................................................................................ 29
6.2.2 Software Mode Control .......................................................................................................... 29
6.2.2.1 Single-Ended Input Mode .......................................................................................... 30
6.2.2.2 Differential Input Mode ............................................................................................... 30
6.3 Recovered Master Clock - RMCK .................................................................................................. 31
6.3.1 Hardware Mode Control ........................................................................................................ 31
6.3.2 Software Mode Control .......................................................................................................... 31
6.4 XTI System Clock Mode ................................................................................................................ 31
6.4.1 Hardware Mode Control ........................................................................................................ 32
6.4.2 Software Mode Control .......................................................................................................... 32
6.5 AES11 Behavior ............................................................................................................................. 32
6.6 Error and Status Reporting ............................................................................................................ 32
6.6.1 Software Mode ...................................................................................................................... 32
6.6.2 Hardware Mode Control ........................................................................................................ 33
6.7 Non-Audio Detection ...................................................................................................................... 33
6.7.1 Hardware Mode Control ........................................................................................................ 34
6.7.2 Software Mode Control .......................................................................................................... 34
6.8 Format Detection (Software Mode Only) ....................................................................................... 34
6.9 Interrupts (Software Mode Only) .................................................................................................... 34
6.10 Channel Status and User Data Handling ..................................................................................... 34
6.10.1 Hardware Mode Control ...................................................................................................... 34